What is your favorite example where an impact evaluation has overturned a strongly held prior belief?
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5/
@tukopamoja turns out that small schools increase high school graduation and college attendance! Oops.
(After election, many journos criticised 538 etc as being "wrong". But the journos were not even wrong..& didn't notice)
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strongly agree with you on this, and of course 538 was much more right than most...
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I'm sympathetic even to, e.g., Sam Wang (though less so). His clarity of thought meant he may learn something. Most journos haven't
End of conversation
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